baber/WOPTO huggingface dataset:
Patent CA-1154659-A (CA)
Inventor: DIGHE DEEPAK V
IPC: B60C27/10
Filed: 1981-04-16
Granted: 1983-10-04
Abstract: Abstract of the Disclosure A vehicle tire with tractive elements for positive engagement with the ground surface is disclosed.  The tire carcass has a tread including circumferentially spaced raised i features.  At least one flexible but substantially inexten-sible belt is positioned radially outwardly of the tread, and a respective plurality of retainer elements are positioned radially inwardly of the belt, the tractive elements being positioned radially outwardly of the belt and being releasably attached to the associated retainer elements for clamping the belt tightly therebetween.  Inflation pressure within the carcass expands its crown region to maintain the belt in a taut condition, and at least one element of each set of asso-ciated tractive and retainer elements is positively mechani-cally linked to at least one of the raised features of the tread to limit circumferential displacement of the tractive elements relative to the tread.
Patent CA-1154541-A (CA)
Inventor: IBRAHIM SHAWKI S
IPC: H01R12/04
Filed: 1981-04-23
Granted: 1983-09-27
Abstract: ABSTRACT OF THE DISCLOSURE          In a multi-layer ceramic package, a plurality of ceramic laminas each has a conductive pattern, and there is an internal cavity of the package within which is bonded a chip or a plurality of chips interconnected to form a chip array.  The chip or chip array is connected through short wire bonds at varying lamina levels to metalized conductive patterns thereon, each lamina level having a particular conductive pattern.  The conductive patterns on the respective lamina layers are interconnected either by tunneled through openings filled with metalized material, or by edge formed metalizations so that the conductive patterns ultimately connect to a number of pads at the undersurface of the ceramic package mounted onto a metalized board.  There is achieved a high component density; but because connecting wire leads are "staggered" or connected at alternating points with wholly different package levels, it is possible to maintain a 10 mil spacing and 10 mil size of the wire bond lands.  As a result, there is even greater  component density but without interference of wire bonds one with the other, this factor of interference being the previous limiting factor in achieving high component density networks in a multi-layer ceramic package.
Patent CA-1181019-A (CA)
Inventor: MERLE JULIUS
IPC: F16D65/84
Filed: 1981-06-10
Granted: 1985-01-15
Abstract: ABSTRACT     A wheel brake cooling apparatus for aircraft comprises a clamp assembly (14) for attachment to an aircraft tyre (12) a duct (22) with a seal (30) which mates with the wheel hub (2) and contains an axial flow fan (32), the duct being suspended from clamp assembly by a hook assembly (18) fixed to struts (36) which brace the duct.  When activated, the fan draws air through the wheel brakes and wheel hub preventing tyre damage after high energy stops.
Patent CA-1169984-A (CA)
Inventor: SMITH FRED J
IPC: H04M3/487
Filed: 1981-06-26
Granted: 1984-06-26
Abstract: ABSTRACT OF THE DISCLOSURE           Multimessage automatic telephone polling methods and apparatus are provided in accordance with the teachings of the present invention. According to an exemplary embodi-ment, telephone numbers for automatic dialing are selected from a queue upon a basis of least prior unsuccessful at-tempts at calling each telephone number. Thereafter, selec-tion occurs upon the basis of association with the message in place at the playback station to insure that media dis-placement is maintained at a minimum. Thus, a selected number of attempts at calling each telephone number in the list is performed in a sequence calculated to achieve maximum opera-tional efficiency and minimum media wear.
Patent CA-1164246-A (CA)
Inventor: JEANTY PHILIPPE
IPC: A61B5/15
Filed: 1981-08-05
Granted: 1984-03-27
Abstract: ABSTRACT OF THE DISCLOSURE          A device permitting to reach the umbilical cord of a foetus in utero and take blood therefrom.  It basically comprises two parallel,cannula-forming tubes (1,2),a trocar (3) and a stem (8) terminating by a resilient hook at one end thereof,both of which are intended to slide in the first of said two tubes and are of greater length than the latter,together with a hollow needle (6) adapted to slide within the second of said two tubes and of greater length than the latter,and also means for positioning or removably interlocking said trocar,said hook-bearing stem and/or said hollow needle at the upstream end of the respective tube wherein they extend.       Application to analyses and measurements during pregnancy.
Patent CA-1173255-A (CA)
Inventor: CZEGLEDI BELA
IPC: C22B3/00
Filed: 1981-08-19
Granted: 1984-08-28
Abstract: ABSTRACT     The invention relates to an improved process for reducing the iron convent of iron-, silicon- and aluminium-containing raw materials and for producing ferric oxide, optionally along with an alumina concentrate.  According to the invention the iron content of mineral raw materials, e.g. bauxites, clay minerals, colliary rocks, red muds, etc. is eliminated by passing through one or more beds prepared from the unground but preferably prebroaken end sized raw material an aqueous hydrochloric acid solution, the concentration of which exceeds 100 g./lit., at a temperature below 90 °C, preferably at room temperature, optionally in the presence of a flocculating agent.  By pyrolytic decomposition of the ferric chloride prepared ferric oxide can be produced.  The bed reduce of reduced iron content can be untilized in the Bayer process    or producing alum earth, as a starting substances of ceramic industry or, after treating with sulfuric acid, dissolving in hydrochloric acid or water, elimination of silica, pyrolytic decomposition of the alumina sulfate obtained, as an alumina concentrate.
Patent CA-1174477-A (CA)
Inventor: KERAMATI BAHRAM
IPC: A47J31/057
Filed: 1981-08-21
Granted: 1984-09-18
Abstract: AUTOMATIC DRIP COFFEEMAKER                 ABSTRACT OF THE DISCLOSURE          An electric drip coffeemaker has a generally upright C-shaped housing with a lower horizontal leg having a heated carafe support, an upper horizontal leg having a water spreader, and a vertical leg enclosing an accessible water reservoir.  An electrically heated hot water generator in the lower leg below the carafe support has an inlet connected to the reservoir through a one-way inlet valve and an outlet connected to the spreader by tubes through an interposed separate definitive steam condenser located in the vertical leg entirely below the reservoir. The condenser includes a plenum chamber larger in cross section than the connecting tubes and has a single inlet for water from the hot water generator at its bottom and a single outlet to the spreader at its top.  A check valve in the chamber outlet permits only unidirectional water outflow from the condenser to create a "scrubbing" effect cleansing the passages of mineral deposits and preventing clogging.  The condenser provides a large condensing volume which eliminates deliver of steam to the spreader, thus increasing brewing temperatures, decreasing brewing time and improving quality of the brewed coffee.  The lack of steam in the spreader region eliminates condensation on the outer surfaces of the coffeemaker and reduces condensation leaks.
Patent CA-1164901-A (CA)
Inventor: PALOVAARA JAAKKO
IPC: B65H20/10
Filed: 1981-09-03
Granted: 1984-04-03
Abstract: APPARATUS FOR LEADING THE TAIL OF WEB OF PAPER     ABSTRACT OF THE DISCLOSURE          One or several fabric loops are disposed along the running route of a web of paper.  The loops are driven via reversing rollers normally belonging to the paper machine.  Air blowers extending along the running route of the fabric loops are disposed so that air jets blown through them support the tail of the web of paper and press it toward the fabric that drives the tail forward in connection with different parts of the machine, such as the calender and other rollers.  An additional roller is provided as a continuation of the reversing roller and is provided with a magnetic clutch for connecting and disconnecting it as needed.     :
Patent CA-1179479-A (CA)
Inventor: TAMURA SHOHEI
IPC: D01F11/12
Filed: 1981-09-04
Granted: 1984-12-18
Abstract: ABSTRACT OF THE DISCLOSURE    A novel type of carbon filaments grow from a purified graphite material when the purified graphite material is heated in a plasma.  The carbon filaments thus obtained can be converted into  softer graphite filaments.  Both the carbon filaments and the graphite filaments as such are extremely useful due to their excellent mechanical strenghs.  In addition, from each of them, intercalation compounds with an alkali metal can be obtained, which are useful not only as a highly conductive material but also as a catalyst for various reactions.
Patent CA-1177740-A (CA)
Inventor: LUHLEICH HARTMUT
IPC: C04B37/00
Filed: 1981-10-01
Granted: 1984-11-13
Abstract: ABSTRACT OF THE DISCLOSURE   A method of making shaped bodies of silicon carbide, of graphite coated with silicon carbide or of a graphite-like material with a silicon car-bide surface, wherein a graphitic body is assembled from preformed parts in the desired shape and is immersed, under a chemically inert atmosphere, in a sili-con melt and after penetration of the melt into gaps between abutting surfaces of the body and after reaction of the silicon with the graphite or the graphite-like material to form silicon carbide at the junctions, the body is removed from the melt and is cooled in a chemically inert atmosphere.
Patent CA-1133231-A (CA)
Inventor: LOGOTHETIS ELEFTHERIOS M
IPC: G01K7/18
Filed: 1981-10-09
Granted: 1982-10-12
Abstract: ABSTRACT OF THE DISCLOSURE A thermistor useful for sensing temperature in an oxygen varying environment, such as the exhaust gas of an internal combustion engine comprises a compound corres-ponding to the formula PrFeO3.  Thermistors comprising this compound exhibit insensitivity to oxygen partial pressure and may be used as temperature compensators for titanium oxygen gas sensors.  PrFeO3 may be prepared by admixing Pr6O11and Fe2O3 in a molar ratio of Fe to Pr of about 1:1, and sintering the mixture at a temperature of above about 1000°C.
Patent CA-1180761-A (CA)
Inventor: MOTCHENBACHER CURTIS D
IPC: H01C7/00
Filed: 1981-10-13
Granted: 1985-01-08
Abstract: ABSTRACT A humidity sensor having an extended impedance range extending up to 1012 ohms.  A novel structure precludes leakage currents.
Patent CA-1180394-A (CA)
Inventor: COPLAND GEORGE V
IPC: B03B1/02
Filed: 1981-11-03
Granted: 1985-01-02
Abstract: ABSTRACT OF THE DISCLOSURE         The disclosure relates to a technique for controlled or uniform temperature heating of a volume of hydrocarbonaceous material in an earth formation employing conductor arrays, inserted in the formation, for applying radio frequency energy to the formation.  The number and spacing of conductors in the arrays are selected to provide a concentration of electric field intensity at the extremities of the volume to facilitate control-led or uniform temperature heating of the volume.  The arrange-ment compensates for temperature variations across the volume caused by heat flow within the volume and heat loss to the surrounding formation.
Patent CA-1183003-A (CA)
Inventor: HUGGINS DALE K
IPC: C22B1/00
Filed: 1982-01-07
Granted: 1985-02-26
Abstract: AUTOCLAVE TUNGSTATE UPGRADING   OF SCHEELITE CONCENTRATES     ABSTRACT OF THE DISCLOSURE            A calcium tungstate concentrate is produced by slurrying an aqueous sodium tungstate liquor with calcium carbonate at about 130°C to about 200°C while providing sufficient carbon dioxide overpressure to convert sodium carbonate in the slurry to sodium bicarbonate, wherein the conversion of sodium tungstate to solid calcium tungstate in the slurry is promoted.  The carbon dioxide is then stripped from the slurry, causing the sodium bicarbonate to convert to sodium carbonate, and a calcium tungstate concen-trate is filtered from the slurry. The invention is useful in upgrading impure calcium tungstate concentrates.
Patent CA-1197148-A (CA)
Inventor: STROHMAIER ALFRED J
IPC: B05B17/06
Filed: 1982-01-12
Granted: 1985-11-26
Abstract: ABSTRACT OF THE DISCLOSURE            An ultrasonic vibrator of the type used to atomize liquid is used for applying liquid finish to a moving threadline. The liquid is supplied to a through passage in the tip of the horn of the vibrator in which it is atomized and applied to the threadline which is moving through the passage in the tip of the horn.
Patent CA-1187878-A (CA)
Inventor: THIEME PETER C
IPC: A61K31/415
Filed: 1982-01-14
Granted: 1985-05-28
Abstract: Abstract of the Disclosure:   Novel phenylpiperazinyl-propane and -butane derivatives of hetarylphenols and hetarylanilines of the formula   where R1 is hydrogen or alkyl of 1 to 4 carbon atoms, R2 is hydrogen, halogen, alkyl of 1 to 4 carbon atoms or alkoxy where alkyl is of 1 to 3 carbon atoms, the phenyl ring can be monosubstituted or disubstituted by R2, X is oxygen or an NH group, and the heterocyclic structure Het. is 1,3,4-oxadiazolyl, triazolyl, imidazolyl or pyrazolyl, and their physiologically tolerated addition salts with acids, processes for their preparation, and pharmaceutical for-mulations which contain these compounds and exhibit pre-dominantly sedative, neuroleptic and hypotensive proper-ties.
Patent CA-1179316-A (CA)
Inventor: REKERS LOUIS J
IPC: C08F4/12
Filed: 1982-02-23
Granted: 1984-12-11
Abstract: ABSTRACT OF THE DISCLOSURE A process is disclosed for polymerizing an olefin to provide a polyolefin of high melt index which comprises contacting the olefin with a catalyst system obtained by heat activating a supported organophosphoryl chromium compound obtained by the reaction of chromium trioxide with an organophosphorous compound having the formula: or wherein R is alkyl, aralkyl, aryl, cycloalkyl, or hydrogen, but at least one R is other than hydrogen, and combining the heat activated supported material with a melt index in-creasing amount of at least one organoborane catalyst modifier having the formula: wherein m and n each is zero or 1, R1 and R2 are each a hydrocarbyl group of from 1 to 10 carbon atoms, or one of R1 and R2 is hydrogen, or together R1 and R2 constitute A hydrocarbly group of from 2 to 10 carbon atoms.
Patent CA-1183251-A (CA)
Inventor: HOWELL EDWARD K
IPC: H02H1/04
Filed: 1982-04-30
Granted: 1985-02-26
Abstract: GROUND FAULT CIRCUIT INTERRUPTING DEVICE      WITH IMPROVED COORDINATION OF  ELECTRONIC CIRCUIT OPERATION                 ABSTRACT OF THE DISCLOSURE             In an integrated circuit for a ground fault circuit interrupting device, a power supply voltage regulator is utilized to turn on a double grounded neutral excitation oscillator and to inhibit trip initiating thyristor triggering while the half-wave rectified supply voltage is in regulation and, as the supply voltage goes into r regulation near the beginning of each alternate half-cycle, condition a comparator to issue a thyristor triggering pulse if an integrated fault signal voltage has achieved an established trip threshold level.
Patent CA-1187771-A (CA)
Inventor: TREHARNE TIMOTHY JOHN MINGAY
IPC: B22F3/24
Filed: 1981-06-10
Granted: 1985-05-28
Abstract: ABSTRACT       Corrosion inhibition in sintered stainles steel A method of enhancing the corrosion resistance of sintered stainless steel, particularly against attack by acids, such as acetic acid, under non-oxidising conditions.   The sintered stainles steel is activated, for example by treatment with acid and is then treated with a phosphate containing solution.   The sintered stainless steel has improved resistance to subsequent attack by acid.
Patent CA-1189841-A (CA)
Inventor: CRAFT JAMES A
IPC: B41J32/00
Filed: 1982-08-04
Granted: 1985-07-02
Abstract: RIBBON CARTRIDGE WITH BACK CHECK               Abstract A ribbon cartridge having a supply spool (3) and a take-up spool hub (27) to receive ribbon (1).  A section (49) of a wire (32) extends from the mounting post (33), with its pointed end resting against the take-up hub (27).  Movement in the take-up direction cause a sliding action.  Attempted unwinding causes the end to dig into the take-up hub (27) so that the wire section (49) immediately prevents unwinding.
Patent CA-1203186-A (CA)
Inventor: TAKASAWA SEIGO
IPC: C12R1/645
Filed: 1982-08-11
Granted: 1986-04-15
Abstract: ABSTRACT           Disclosed is a process for manufacturing alcohol by culturing a microorganism belonging to the genus Kluyvero-myces, Candida or Kloeckera and capable of assimilating xylose and/or cellobiose.
Patent CA-1181457-A (CA)
Inventor: GIORGETTI ALDO
IPC: F24H1/20
Filed: 1982-09-14
Granted: 1985-01-22
Abstract: ABSTRACT OF THE DISCLOSURE         The invention relates to an automatic device for quick heating of liquids, particularly water, which device includes at least two containers having conduits for supplying cold water and provided each with heating means, a tank into which warm water is alternatively supplied from outlets of the single containers, first control means for alternatively actuating said outlets, second control means sensitive to the pressure within said tank for connecting or disconnecting said heating means and third con-trol means sensitive to the depression within one of said contain-ers for disengaging said heating means and said first control means of the outlets.
Patent CA-1217203-A (CA)
Inventor: FERRIS THEODORE V
IPC: B01J23/00
Filed: 1982-10-07
Granted: 1987-01-27
Abstract: MANUFACTURE OF AQUEOUS FORMALDEHYDE     ABSTRACT         Formaldehyde manufacture by oxidative-dehydro-genation of methanol over a silver or copper catalyst. Aqueous formaldehyde solution is obtained from the reaction and is substantially stripped of methanol by a low energy process at relatively low temperature by means of recycled off-gas in a stripping column comprising at least about 1.5 theoretical transfer units for stripping methanol.
Patent CA-1206718-A (CA)
Inventor: FREEMAN EBEN W
IPC: B05D7/04
Filed: 1982-11-12
Granted: 1986-07-02
Abstract: ABSTRACT OF THE DISCLOSURE       Disclosed is a method of providing surface replication in a coating on a sheet material, comprising the steps of:          A. applying a flowable coating of a settable composition or material to one side of a web of sheet material;          B. pressing the coated side of the sheet material against a replicative surface having a desired contoured surface effect to cause the surface of the coating to conform to the replicative surface;          C. setting the coating to a non-flowable state at least sufficiently to enable it to be removed from the replicative sur-face securely attached to the sheet material and with the repli-cated surface effect in the coating being maintained; and D. stripping the sheet material from the replicative sur-face with the at least partially set coating adhered to the sheet material, characterized by the replicative surface comprising a cylinder having the desired surface effect in the central portion of its outer cylindri-cal surface and extending laterally less than the width of the sheet material on both sides and being bordered on both sides by cylindri-cal bands of a smooth surface extending beyond the width of the sheet material, and the coating extending laterally into the area of the smooth surface bands, whereby the set coating material fills all of the desired surface effect area and is stripped cleanly from the replicative surface and the smooth surface bands.
Patent CA-1187866-A (CA)
Inventor: SHIPLEY RANDALL S
IPC: C08F4/64
Filed: 1983-01-24
Granted: 1985-05-28
Abstract: ABSTRACT OF THE DISCLOSURE          Compositions exhibiting high catalytic activity in the polymerization of .alpha.-olefins are prepared by reacting a mixture of a tetrahydrocarbyloxy titanium compound such as tetraisopropyl titanate and a hydrocarbyloxy titanium oxide such as di(isopropoxy) titanium oxide, an organomagnesium component such as a hydrocarbon soluble complex of dialkyl magnesium and an organoaluminum compound such as triethyl aluminum and a halide source such as ethyl aluminum dichloride. Polymerization processes employing this catalyst compo-sition do not require conventional catalyst removal steps in order to provide polymers having suitable color and other physical characteristics and these catalysts provide higher efficiencies than those catalysts employing either of the titanium compounds alone.
Patent CA-1165968-A (CA)
Inventor: YARWOOD JOHN C
IPC: B22D23/00
Filed: 1983-03-29
Granted: 1984-04-24
Abstract: ABSTRACT OF THE DISCLOSURE           The disclosure relates to a non-magnetic screen for use in electromagnetic casting of molten castable materials.  The screen includes a substantially closed loop having at least one portion of small radius of curvature.          The screen has a uniform cross-section and locally deeper displacement of the section at the at least one portion as compared to portions of the screen adjacent the at least one portion.
Patent CA-1213112-A (CA)
Inventor: SENDA KENICHI
IPC: B29C44/34
Filed: 1983-05-12
Granted: 1986-10-28
Abstract: ABSTRACT            The mixture of water and the polyolefin resin particles impregnated with a volatile blowing agent are released from the interior of the pressure-resistant container under a constant temperature and constant pressure preferably keeping the partial pressure of the blowing agent constant, through at least one orifice having an area of 0.07 to 300 mm2, into a low-pressure zone.          This invention gives various advantages when applied to the practical process resulting in expanded particles with superior properties which are free of blocking and remarkably uniform in the degree of expansion , and are useful for molding.
Patent CA-1207939-A (CA)
Inventor: FUKUDA TADANORI
IPC: C08G18/67
Filed: 1983-09-20
Granted: 1986-07-15
Abstract: RESIN MATERIAL FOR PLASTIC LENS AND                 LENS COMPOSED THEREOF     ABSTRACT OF THE DISCLOSURE      A polymer obtained by polymerizing a urethanized acrylic or methacrylic monomer obtained by reacting the hydroxyl group of an acrylic or methacrylic monomer having a nucleus-halogen-substituted aromatic ring and a hydroxyl group with the isocyanate group of a polyfunc-tional isocyanate is excellent and has a high refractive index.  Accordingly, this polymer is valuable as a resin material for a plastic lens.
Patent CA-1201039-A (CA)
Inventor: ARAV RONNIE A
IPC: G05D16/10
Filed: 1983-10-26
Granted: 1986-02-25
Abstract: 18.               ABSTRACT OF THE DISCLOSURE     A control system for controlling the pressure and pressure balance in two separate fluid pressure circuits.  A valve being employed which comprises a balance piston and a regulating piston. Each of the pistons controls a connection of the first and second fluid pressure circuits to a respective relief line.  Fluid pressure is applied to the regulating piston to regulate the pressure in one circuit and the balance piston regulates the pressure in the other circuits in relation to that regulated by the regulating piston.  A three position switch and two air pressure regulators or a three position switch, two potentiometers and a servo control valve control the pressure applied to the regulating piston to control the pressures required in the first and second circuits for the desired modes of operation.  A further balance valve may be disposed between the first and second circuits.  The balance piston of the pressure and balance regulating valve may be provided with shock absorber means to resist the movement thereof in response to minor pressure fluctuations.  Similarly, the balance piston of the additional balance valve may be provided with shock absorber means.  The relief valve connection controlled by the balance valve of the pressure and balance regulating valve preferably has a triangular shaped opening.